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A042928 as a simple table

na(n)
031
132
263
3221
4284
5789
61862
72651
84513
97164
1033169
1140333
1273502
13113835
14301172
15716179
161017351
173768232
184785583
198553815
20535122113
21543675928
221078798041
233780070051
244858868092
2513497806235

[31,32,63,221,284,789,1862,2651,4513,7164,33169,
 40333,73502,113835,301172,716179,1017351,3768232,
 4785583,8553815,535122113,543675928,1078798041,
 3780070051,4858868092,13497806235]